紫外线辐射对聚丙烯非对称固液分离膜结构与性能的影响

纺织学报 ›› 2014, Vol. 35 ›› Issue (4): 26-0.

紫外线辐射对聚丙烯非对称固液分离膜结构与性能的影响

秦永瑞¹,楼添良²,陈雪菲¹,杨娟亚¹,胡国樑¹

1. 浙江理工大学材料与纺织学院
2. 杭州市城市基础设施开发总公司

收稿日期:2013-04-26 修回日期:2013-08-14 出版日期:2014-04-15 发布日期:2014-04-14
通讯作者: 胡国樑 E-mail:zisthugl@sina.com

Influence of UV radiation on structure and properties of polypropylene asymmetric solid-liquid separation membrane

Received:2013-04-26 Revised:2013-08-14 Online:2014-04-15 Published:2014-04-14

摘要/Abstract

摘要： 对聚丙烯非对称固液分离膜进行紫外线辐射处理，得到不同温度下分离膜的老化规律，通过对分离膜的形态结构、物理机械性能和浸润性能进行研究，结果表明：在45 ℃处理1 d后，聚丙烯分离膜表面出现C=O伸缩振动峰，说明膜表面开始被氧化；在45 ℃和60 ℃分别处理6 d和4 d后，分离膜的断裂强度保持率分别为2.28%和5.81%，已失去使用价值，且膜表面的亲水性消失，导水性明显下降。

关键词: 聚丙烯分离膜, 紫外线, 结构, 性能

Abstract: Ultraviolet radiation was chosen to treat the PP non-symmetric solid-liquid separation membrane and got the aging rule of the separation membrane at different temperatures. The separation membrane’s morphology, physical and mechanical properties and infiltration performance were studied. The results showed that the C=O stretching vibration was found in polypropylene membrane surface which was handled at 45 degrees celsius for 1 day and its surface was oxidized; after the membrane ,respectively, treated at 45 degrees celsius for 6 day and at 60 degrees celsius for 4 day, the separation membrane’s rupture strength retention rate were 2.28% and 5.81% and they had lost value in use, further the membrane surface’s hydrophilic disappeared and the water conductivity decreased rapidly.

Key words: PP separation membrane, UV, structure, performance

秦永瑞楼添良陈雪菲杨娟亚胡国樑. 紫外线辐射对聚丙烯非对称固液分离膜结构与性能的影响[J]. 纺织学报, 2014, 35(4): 26-0.

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